Question
If a3Â + 3a2Â + 9a = 1, then what
is the value of a3Â + (3/a)?Solution
a3 + 3a2 + 9a = 1 a(a2 + 3a + 9) = 1 a2 + 3a + 9 = 1/a (a3 – b3) = (a − b)(a2 + ab + b2) for b=3 we have (a3 – 33) = (a – 3)(a2 +3a +9) (a3 − 27)=(a − 3)(1/a) a3 + (3/a) = 1 + 27 a3 + (3/a) = 28
If ‘534’ = ‘50’, ‘758’ = ‘138’, ‘3156’ = ‘71, then ‘4738’ = ?
If 66 @ 26 = 15' and 44 @ 6 = 12', then 56 @ 12 = ?'. What will come in place of question mark?Â
Select the option in which the words share the same relationship as that shared by the given pair of words.
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If GO = 715 and POT = 161520, then MOTH =
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
<...Which of the following will best complete the relationship given below?
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Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is relat...
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If 35 @ 18 = 66 and 49 @ 22 = 136, then 23 @ 44 = '?'.
Select the option that can replace the question mark (?) in the given figure and complete the pattern (rotation is NOT allowed)
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