Question
If n = 1 + √2, then find the value of (n +
1/n)².Solution
'n' = 1 + √2
So,
1/n = 1 / (1 + √2) × (1 - √2)/(1 - √2)
= (1 - √2) / (1 - 2)
= -1 + √2
Required value = (1 + √2 + (-1 + √2))² = (2√2)² = 8
Statement: M>T≤Z; T>Q ; X ≥R>Q
I. X ≥ M
II. Q < M
Statements: P * R, M & N, R $ M
Conclusions: a) P @ M b) P $ M
...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...
Statement: B > C = J; B > S > E; B < N
Conclusion: I. E < C II. J ≤ E
Statements: X @ Y % M % N; M $ P $ Z
Conclusions : I. Y % Z II. X @ N �...
Statements: V ≤ R ≥ Q; R ≤ N < Y; I > Y ≤ S
Conclusions:
I. V ≤ S
II. I > Q
III. S > N
Statements: R % B, B & T, T @ E, E % G
Conclusions : I. T $ R II. R @ E III. B @ G
...Statement: H > G = M > S ; G `>=` T > L; M `<=` F < U
Conclusion: I. L > M II. G < U
...How many such pairs of letter are there in the word TELEPHONE, each of which has as many letters between them in the word as in the English alphabet?
Statements: B > C; D > E = F < G ≥ H; C > I = D
Conclusions:
I. B < E
II. G > E
III. I < B
Relevant for Exams:
