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Statement-I: If f(x) = coshx - sinhx for x in R then f(x-y)=f(x) divf(y) Statement -II: If f(x) = coshx + sinhx for x in Rthen f(x) is a bijective function Statement-III: coth^(-1)x="cosh"^(-1)(|x|)/(sqrt(x^(2)-1)) Which of the above statement is correct? |
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Answer» only I, II |
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