Question
A series is given with one wrong term. Select the wrong
number from the given series. 17, 29, 43, 59, 77, 97, 112Solution
17 + 12 = 29 29 + 14 = 43 43 + 16 = 59 59 + 18 = 77 77 + 20 = 97 97 + 22 = 119
If x + 1/x = 2, find x⁷ + 1/x⁷.
Solve: 5 – 3x > 2x + 10
If p = 36 - q - r and pq + r(q + p) = 310, then find the value of (p² + q² + r²).
`sqrt(sqrt(10+sqrt(10+sqrt(10)) ... prop)` = ?
If (a + b) = 1 and (1/a) – 2b = 5/a then find the value of a2 + b2.
(p + 3) 2 + (q – 7) 2 + (r + 4)2 = 0, then find the value of p + q – r.
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
- If n = 5 + √6, then find the value of (n + 1/n)².
Find the value of the given expression-
(4x+4 -5× 4x+2) / 15×4x – 22×4x
A solid metallic sphere of radius 15 cm is melted and recast into spherical balls of radius 3 cm each. What is the ratio of the surface area of the orig...