Math, asked by srishti1921, 4 months ago

(a+2b-c)hol square iska answer kya hoga

Answers

Answered by mohitaggarwal257048

1

Step-by-step explanation:

(a+2b+c)² =a² +(2b)²-c² +2a(2b)+2(2b)-c-2ca

=a²+4b²-c²+4ab-4bc-2ac

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