Math, asked by vivekkumawat8347, 6 months ago

Q.2 Expand each of the following using suitable identities:

(b) (5x - 4y)^2

Answers

Answered by latikakarkera

6

Answer:

Step-by-step explanation:

(b) (5x - 4y)^2 = (5x)^2 -2(5x)(4y) +(4y)^2

=25x^2 -40xy+16y^2

Identity: (a-b)^2= a^2 - 2ab +b^2

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