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ISC (Science) ISC Class 11 - CISCE Question Bank Solutions for Mathematics

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Mathematics
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Prove the following by using the principle of mathematical induction for all n ∈ N

`(1+ 1/1)(1+ 1/2)(1+ 1/3)...(1+ 1/n) = (n + 1)`

[2.01] Principle of Mathematical Induction
Chapter: [2.01] Principle of Mathematical Induction
Concept: undefined >> undefined

If the function `f(x) = sqrt(2x - 3)` is invertible then find its inverse. Hence prove that `(fof^(-1))(x) = x`

[1.02] Relations and Functions
Chapter: [1.02] Relations and Functions
Concept: undefined >> undefined

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The trigonometric equation tan–1x = 3tan–1 a has solution for ______.

[1.02] Relations and Functions
Chapter: [1.02] Relations and Functions
Concept: undefined >> undefined


The given function f : R → R is not ‘onto’ function. Give reason.

[1.02] Relations and Functions
Chapter: [1.02] Relations and Functions
Concept: undefined >> undefined
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