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प्रश्न
The term containing x3 in the expansion of (x – 2y)7 is:
पर्याय
3rd
4th
5th
6th
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उत्तर
5th
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संबंधित प्रश्न
By the principle of mathematical induction, prove the following:
4 + 8 + 12 + ……. + 4n = 2n(n + 1), for all n ∈ N.
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2n > n, for all n ∈ N.
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Using the Mathematical induction, show that for any natural number n,
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`sin(alpha) + sin (alpha + pi/6) + sin(alpha + (2pi)/6) + ... + sin(alpha + (("n" - 1)pi)/6) = (sin(alpha + (("n" - 1)pi)/12) xx sin(("n"pi)/12))/(sin (pi/12)`
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Everybody in a room shakes hands with everybody else. The total number of shake hands is 66. The number of persons in the room is ______
