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 250 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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1 answer 123 views

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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1 answer 94 views

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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1 answer 211 views

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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1 answer 161 views

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 235 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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1 answer 261 views

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 694 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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1 answer 1.5k views

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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1 answer 1.8k views

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 269 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 203 views

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