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+2 votes

1 answer 281 views

If (1 + i) (1 + 2i) (1 + 3i) ….. (1 + ni) = x + iy, then what is 2 * 5 * 10….(1 + n2) is equal to?

asked Mar 27, 2021 in Uncategorized by Doubtly (98.9k points)

+1 vote

1 answer 578 views

Let 'M' be the mass and 'L' be the length of a thin uniform rod. In first case, axis of rotation

asked Mar 27, 2021 in Physics by Topper11 (2.8k points)

+1 vote

1 answer 1.4k views

A stone of mass 1 kg is tied to a string 2m long and is rotated at constant speed of 40 ms^-1 in a vertical circle

asked Mar 26, 2021 in Physics by Topper11 (2.8k points)

+1 vote

1 answer 324 views

The difference between angular speed of minute hand and second hand of a clock is

asked Mar 26, 2021 in Physics by Doubtly (98.9k points)

+1 vote

1 answer 252 views

An ideal gas has pressure ′ P ′ , volume ′ V ′ and absolute temperature ′ T '

asked Mar 23, 2021 in Physics by anonymous

+1 vote

1 answer 421 views

For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P(Exactly one of C or A occurs) = 1/4

asked Mar 22, 2021 in Uncategorized by anonymous

+1 vote

1 answer 398 views

If 12 identical balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly 3 balls, is

asked Mar 22, 2021 in Uncategorized by Topper11 (2.8k points)

+2 votes

1 answer 282 views

The number of solution of the equation x+2tanx=π/2 in interval [0,2π] is

asked Mar 22, 2021 in Uncategorized by anonymous

+1 vote

1 answer 378 views

The general solution of sin x − 3 sin2x + sin3x = cos x − 3 cos2x + cos3x is _________.

asked Mar 21, 2021 in Uncategorized by Topper11 (2.8k points)

+1 vote

1 answer 655 views

The correct pair of the ambident nucleophiles is are:

asked Mar 21, 2021 in random by Topper11 (2.8k points)

+1 vote

1 answer 1.7k views

One of the byproduct formed during the recovery of NH3 from solvay process :-

asked Mar 21, 2021 in random by Topper11 (2.8k points)

+1 vote

1 answer 341 views

The set that represents the Pair of neutral oxide of nitrogen

asked Mar 21, 2021 in random by Topper11 (2.8k points)

+1 vote

2 answers 690 views

A bird is sitting on the top of a vertical pole 20 m high and its elevation from a point O on the ground is 45°

asked Mar 19, 2021 in Uncategorized by Gyani

+1 vote

1 answer 308 views

If x = √3/2 + i/2(i = √-1), then (1 + iz + z5 + iz8)9 is equal to -

asked Mar 15, 2021 in Uncategorized by Gyani

+1 vote

1 answer 318 views

If (z - α)/(z + α) (α ∈ R) is a purely imaginary number and |z| = 2, then a value of α is :

asked Mar 15, 2021 in Uncategorized by Bharat

+1 vote

1 answer 337 views

Let A={θϵ(-π/2π):3+2isinθ/1-2isinθ is purely imaginary} then the sum of elements in A is

asked Mar 15, 2021 in Uncategorized by Sarthak

0 votes

1 answer 202 views

Cos190.cos10+sin190.sin10= a)2 b)0 c)-1 d)1

asked Mar 14, 2021 in Uncategorized by Doubtly (98.9k points)

+1 vote

1 answer 539 views

The value of cos π/2^2.cosπ/2^3..... .cosπ/2^10.sinπ/2^10

asked Mar 14, 2021 in Uncategorized by Doubtly (98.9k points)

+3 votes

1 answer 388 views

How do I ace the 11th class Maharashtra boards?

asked Mar 12, 2021 in study by piyush patil

0 votes

1 answer 979 views

tanA/(1-cotA) + cotA/(1-tanA) can be written as

asked Mar 11, 2021 in Uncategorized by anonymous

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