Simplity
V-25 & V-16 + V121
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Answer:
√-25 = √ (-1) x (5x5) = 5√(-1) = 5i
√-16 = √(-1) (4x4) = 4√(-1) = 4i
√121 = 11
So,
√-16 + √121 = 11+ 4i Ans
Hope this helps ☺️
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