Question

which of the following is the correct notation for complex number 76+√49??

Answer 1

\[\sqrt {49} \to \sqrt{7 \times 7} \to 7\]
THerefore,

76 + sqrt 49
76 + 7
Solve.

Answer 2

sorry i forgot to mention a "-" beside the sqrt of 49 ... o_o

Answer 3

inside or outside?

Answer 4

inside

Answer 5

√-49

Answer 6

\[76+\sqrt{-49}\]\[=76+\sqrt{-1\times49}\]\[=76+\sqrt{-1}\times\sqrt{49}\]=76+7i\]