Question
Given that x8-34x4+1=0, x>0.
What is the value of (x3+ x-3)?Solution
Divide given equation by x4 = x4 + 1/x4 = 34 = add 2 both side x2 + 1/x2 = 6 = add both the side again = x + 1/x = √8 = x3 + 1/x3 = 8√8 – 3 × √8 = 5√8
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
In this question, two statements are followed by two conclusions, numbered I and II. Find out which conclusion(s) is/are definitely true, based on the ...
Statements: M > Q ≥ U = O, S = U < R ≤ T
Conclusions :I. M < R  II. T > O   III. Q ≥ T
Statements: E $ N, N * G, H % E
Conclusions: a) G # H Â Â Â b) H $ N
Statements: Q > M > Y < N = H ≥ S < V < R ≤ K
Conclusion
I: K > Y
II: N > S
Statements: T = U, V < M, W ≥ T, U ≤ V
Conclusion:
I. U ≤ W
II. M > U
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
Statements: G ≤ H < I = J > K, L < B ≥ V > I ≥ D
Conclusion:
I. G = D
II. K ≤ D
III. B > H
Statements: A > B; C > D; E ≥ A; F = C; C < B
Conclusions:
(i) B > D (ii) A > F (iii) F < E
...Statements:
A < W ≤ T < Y = O; V < S > K ≥ F > O
Conclusions:
I). W < S
II). Y ≥ K
...