Question

the product of (5+3√2) and (5-3√2) is _​

Answer 1

Step-by-step explanation:

(5+3√2)(5-3√2)

now, by using identity (a+b)(a-b) =a²-b²

suppose a= 5 and b= 3√2

= (5)²-(3√2)²

= 25- 9×2

= 25-18

= 7

hope it helps you......

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Answer 2

=7
Justification:
(5+3_/2)(5-3_/2) = [(5)^2- (3_/2)^2]
= [(25)-(9x2)]
= [25-18]
= 7
Hope this helps you :)