Question
(141.95 β 112.06) Γ (45.21 β 38.99) =
? What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)Solution
ATQ, (141.95 β 112.06) Γ (45.21 β 38.99) = ? (142 β 112) Γ (45 β 39) ~ ? 30 Γ 6 ~ ? ? ~ 180
For 3xΒ² β 10x β 8 = 0, find (1/Ξ± + 1/Ξ²).
I. 88x² - 13 x – 56 = 0
II. 15 y² + 41 y + 28 = 0
In each of these questions, two equations (I) and (II) are given.You have to solve both the equations and give answerΒ Β
I. 7xΒ² - 19x + 10 = 0...
I. 12y2Β + 11y β 15 = 0
II. 8x2Β β 6x β 5 = 0
I. x2 + 16x + 63 = 0
II. y2 + 2y - 15 = 0
The equation x2 β px β 60 = 0, has two roots βaβ and βbβ such that (a β b) = 17 and p > 0. If a series starts with βpβ such...
I.Β 2pΒ² - 11p + 12 = 0
II. 2qΒ² - 17q + 36 = 0
I. 84x² - 167x - 55 = 0
II. 247y² + 210y + 27 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
I. x2 + x β 42 = 0
II. y2 + 6y β 27 = 0