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Let * be the binary operation of N defined by a * b = H.C.F. of a and b. Is * commutative? Is * associative?

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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sec-1\(\left(-\frac{2}{\sqrt{3}}\right)\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions by HelloWorld (8.1k points)

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Let f : W → W be defined as f(n) = n -1, if n is odd and f(n) = n + 1, if n is even.

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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If x\(\left[\begin{array}{l} 2 \\ 3 \end{array}\right]\) + y\(\left[\begin{array}{l} -1 \\ 1 \end{array}\right]\)

asked Oct 23, 2022 in Chapter 3 Matrices by HelloWorld (8.1k points)

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Find the values of x, y and z from the following equations:

asked Oct 22, 2022 in Chapter 3 Matrices by HelloWorld (8.1k points)

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tan-1(tan\(\frac { 3π }{ 4 }\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions by HelloWorld (8.1k points)

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A polythene piece rubbed with wool is found to have a negative charge of 3 x 10-7C. (a) Estimate the number

asked Oct 22, 2022 in Chapter 1 Electric Charges and Fields by HelloWorld (8.1k points)

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Find the principal value of tan-1(-1)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions by HelloWorld (8.1k points)

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Show that the relation R in the set A = [x ∈ Z : 0 ≤ x ≤ 12}, given by (i) R = {(a, b): | a – b | is a multiple of 4}

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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Show that the relation R, defined in the set A of all triangles as R = {(T1, T2) : T1 is similar to T2}

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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Careful measurement of the electric field at the

asked Oct 22, 2022 in Chapter 1 Electric Charges and Fields by HelloWorld (8.1k points)

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Although ordinary rubber is an insulator, the special rubber tyres of aircraft are made slightly conducting

asked Oct 22, 2022 in Chapter 1 Electric Charges and Fields by HelloWorld (8.1k points)

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tan-1\(\sqrt{x}\) = \(\frac { 1 }{ 2 }\)cos-1\(\frac { 1-x }{ 1+x }\), x ∈ [0, 1]

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions by HelloWorld (8.1k points)

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Show that the function f : R → R given by f(x) = x³ is injective.

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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Given a non-empty set X, let * : P(X) x P(X) → P(X) be defined as A * B = (A – B) ∪ (B – A) for all A, B ∈ P(X)

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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In the matrix A = 2 5 19 -7 35 -2 5/2 12

asked Oct 22, 2022 in Chapter 3 Matrices by HelloWorld (8.1k points)

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The number of all possible matrices of order 3 x 3 with each entry 0 or 1 is (A) 27 (B) 18 (C) 81 (D) 512

asked Oct 22, 2022 in Chapter 3 Matrices by HelloWorld (8.1k points)

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2tan-1(cos x) = tan-1(cosec x)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions by HelloWorld (8.1k points)

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Make a Power point presentation about the construction and use of binoculars.

asked Oct 9, 2021 in study by Doubtly (98.9k points)

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Determine whether or not each of the definitions of * given below gives a binary operation. In the event that

asked Oct 22, 2022 in Chapter 1 Relations and Functions by HelloWorld (8.1k points)

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