- If (r + s) = 7 and rs = 15, then find the value of (r² + s²).
If a2+2 = 2a
then find a4 - a3 + 2a2 -2a+ 9 = ?
Find the 36th term of the series 25, 29, 33……
In △ ABC, AB = AC. A circle drawn through B touches AC at D and intersect AB at P. If D is the midpoint of AC and AP = 2.5 cm, then AB is equal to:
If a + b = 56 and (a – b)² = 496, find the value of the product of a and b.
(√ (sec2 θ + cosec2 θ )) ((sinθ (1 + cosθ ))/(1 + cos&thet...
If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?
If 3y-3/y=18 then find the value of y² +1/y²
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...
- If n = 1 + √2, then find the value of (n + 1/n)².