11-VU+2(--) को x + -से गुणा(4 + 5) को (5 - 41) स – InterviewSolution

1.

11-VU+2(--) को x + -से गुणा(4 + 5) को (5 - 41) से गुणा की

Answer»

(x-V-y)(x+V-y)=(x)^2 - (V-y)^2=x^2-y; ; ( x)^2=y

9i is right answer.....

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