Find the product of the following :
(3-√5) (3+√5)
P.S. - step by step explaination please...
Please Don't write anything rubbish.
Answers
Answered by
1
Step-by-step explanation:
(3-25)(3+25)
(22)(28)
616
Answered by
1
Answer:
we have to use ( a2 -b2)=(a+b)(a-b)
hence
(3)the whole square -(✓5) the whole square
9-5
4
hence the answer is 5
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