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The correct answer is A
[a/(2a² + 5a + 2)] = 1/6 , then find the value of (a+1)/a ?
If sin 28° = 15/17 , then tan 62° = ?
The roots of the quadratic equation x² + px + q = 0 are in the ratio 3:4. If the sum and product of the roots are 7 and 12, respectively, find the valu...
If (x + y) = 10 and xy = 21, then find the value of (x² + y²).
‘a’ is directly proportional to ‘b’. If at a=30, the value of ‘b’ is 20% greater than ‘a’, then find the value of ‘a’ when b=54.
...In a best-of-two chess match between Player X and Player Y, the probability that Player X wins a game is (5/9), and the probability that Player Y loses ...
If x3 + y3 = 9 and x + y=3 then the value of x4 + y4 is:
Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.
The area of △ ABC is 44 cm2 . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...