Question

please help me, please give ans​

Answer 1

Answer:

using formula

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

(75+65)(75-65)

140×10

1400

Answer 2

Answer:

⇒(75)^2 - (65)^2

⇒(75+65)(75-65)

⇒(140)(10)

⇒1400

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