सरल कीजिए।
(5+V7)x(5-7
अथवा (OR
Answers
Answered by
2
Answer:
18
Step-by-step explanation:
(5+√7) (5-√7)
= (5) ^2-(√7) ^2
= 25-7
=18
Answered by
2
Answer:
-10-2V7
Step-by-step explanation:
5(5-7)+V7(5-7)
25-35+5V7-7V7
-10-2V7
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