Recent questions in Uncategorized

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If the lines ax + y + 1 = 0, x + by + 1 = 0 and x + y + c = 0 (a, b, c being distinct and different from 1 ) are concurrent, then value of

asked Apr 11, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 719 views

Area (in sq. units) of the region outside |x|/2 + |y|/3 = 1 and inside the ellipse x^2/4 + y^2/9 = 1 is

asked Apr 8, 2021 in Uncategorized by Doubtly (98.9k points)

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Evaluate int {root x^2 + a^2} dx solve this question

asked Apr 3, 2021 in Uncategorized by Doubtly (98.9k points)

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Find the value of A and B if int(sinx/sin(x-alpha))dx=

asked Apr 3, 2021 in Uncategorized by Doubtly (98.9k points)

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If f(x) = ∫t(sinx - sint)dt for t ∈ [0, x] then (A) f'''(x) + f''(x)

asked Apr 3, 2021 in Uncategorized by Doubtly (98.9k points)

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evaluate int x-1/(x+1)^3 e^x dx {integration question }

asked Apr 3, 2021 in Uncategorized by Doubtly (98.9k points)

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l,m,n are the pth and rth term of G.P all positive then

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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find the value of α for which A2 = B, is

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 489 views

A ^−1 = 1/6(A^ 2 +cA+dI) where c, d ∈ R, then pair of values (c, d) are _________

asked Apr 2, 2021 in Uncategorized by Doubtly (98.9k points)

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The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 990 views

If a, b, c are odd positive integers, then number of integral solutions of a + b + c = 13, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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The total number of positive integral solution for x, y, z such that xyz = 24, is

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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Two numbers are chosen from 1, 3, 5, 7,… 147, 149 and 151 and multiplied together in all possible ways.

asked Apr 1, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 501 views

The integral int (2x^12+5x^9 /(x^5+x^3+x)^3) dx is equal to

asked Mar 28, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 431 views

Which of the following is a tautology ? A) (∼p)∧(p∨q)→q