CBSE BOARD X, asked by kundankr4060, 2 days ago

सर चंद्र का संधि विच्छेद​

Answers

Answered by adhritimetia39
0

Explanation:

formula (a+b+c) 2  =a2 +b 2 +c 2 +2(ab+ bc+ ca)

(3a-7b-c)2 =(3a)2 +(-7b)2 +(-c) 2 +2{(3a)(-7b) +(-7b)(-c) +(-c)(3a)}

=9a2+49b2+c2 -42ab+14bc-6ca

Answered by rsworldgaming
0

Answer:

च्+अं+द्+र

Explanation:

च्+अं+द्+र

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