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(3a-7b-c)²

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(3a-7b-c)²

Posted by Mudit Kumawat 4 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Adarsh Kumar 4 years, 4 months ago

(3a-7b-c)² =(3a)² +(-7b)² +(-c)² +2(3a)(-7b) +2(-7b)(-c) +2(-c)(3a)_____________=9a²+49b²+c² -42ab+14bc-6ac✓✓✓✓

2Thank You

Ayush Raj 4 years, 4 months ago

Sdddffft

0Thank You

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CBSE > Class 09 > Mathematics