Question

simplify (7+3√2) (7-3√2)​

Answer 1

Answer:

31

Step-by-step explanation:

(7+3√2)(7-3√2)

:. So it is making formula

(7)²-(3√2)²

49-18

31

Answer 2

Step-by-step explanation:

Identity - (iii) (a+b) (a-b) = a^2 - b^2

= 7^2 - 3√2^2

= 49 - 18

= 31

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