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Evaluate the following: (i) sqrt(-81) ...

Evaluate the following:
(i) `sqrt(-81)`
(ii) `(sqrt(-2))^(6)`
(iii) `sqrt(-25)xxsqrt(-49)`
(iv) `(2)/(3)xxsqrt((-9)/(16))`
(v) `sqrt((-49)/(25))xxsqrt((-1)/(9))`

Text Solution

Verified by Experts

The correct Answer is:
(i) 9i
(ii) -8
(iii) -35
(iv) `(1)/(2)i`
(v) `-(7)/(15)`
(vi) 0
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