Question

Q.7 simplify this question
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Answer 1

Step-by-step explanation:

$⇒4 \sf\red{\sqrt{ - 4}} + 5 \sqrt{ - 9} - 3 \sqrt{ - 16}$

↦ The Square root of a negative number does not exist in the set of Real numbers.

So,

$\;\large{\boxed{\bf{\green{Undefined}}}} \: is \: the \: ans..$

Answer 2

Answer:

Answer is 11

Step-by-step explanation:

(SQUARE ROOT OF -4 IS 2 AND SQUARE ROOT OF -9 IS 3 AND SQUARE ROOT OF -16 IS 4)

HENCE THE SQUARE ROOT NUMBER IS MULTIPLIED

4×2 + 5×3 - 3×4

8 + 15 - 12

23 - 12

=11