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Discuss the continuity of f(x) at x = pi...

Discuss the continuity of f(x) at `x = pi/4` where .
`f(x) = ((sinx +c osx)^3-2sqrt2)/(sin2x-1),` for `x ne pi/4`
`=3/sqrt2 ` , for `x =pi/4`

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The correct Answer is:
`=(1+sin2x)^(3//2)` , Let (1+ sin 2x) = t`
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