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(a – b)2 = ---------------------- A) a 2 + 2ab + b2 B) a 2 - 2ab + b 2 C) a 2 + 2ab - b 2 D) a 2 - 2ab - b 2​

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Answer:

Answer:

ओळख वापरणे ( अ-ब )

2

= अ

2

-2 एक ब+ब

2

आमच्याकडे: ( पृ

2

-q

2

)

2

म्हणून, ( पृ

2

-q

2

)

2

= ( पृ

2

)

2

-2 ( पृ

2

) ( क्यू

2

)+( q

2

)

2

= p

4

-2 पी

2

q

2

+q

4

उत्तर आहे p

4

-2 पी

2

q

2

+q

4

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