Pls answer Is there any other way instead of finding square directly Thanks Q 1 A twelve - Maths - Rational Numbers

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Pls answer
Is there any other way instead of finding square directly
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Neha Sethi · Accepted Answer

4392122=400000+392122=4000002+392122+240000039212=4000002+30000+92122+240000039212=4000002+300002+92122+2(30000)(9212)+240000039212=4000002+300002+9000+2122+2(30000)(9212)+240000039212=4000002+300002+90002+2122+2(9000)(212)+2(30000)(9212)+240000039212=4000002+300002+90002+200+122+2(9000)(212)+2(30000)(9212)+240000039212=4000002+300002+90002+2002+122+2(200)(12)+2(9000)(212)+2(30000)(9212)+240000039212=160000000000+900000000+81000000+40000+144+4800+3816000+552720000+31369600000=192907180944On comparing with A9B9071804C, we getA=1B=2 andC=4Note:a2+b2+2ab=(a+b)2

Pls answer. Is there any other way instead of finding square directly. Thanks Pls answer. Is there any other way instead of finding square directly. Thanks Q. 1 A twelve digit number A9B90718094C is the perfect square of 439212. Find the values of A, B and C.

Pls answer.
Is there any other way instead of finding square directly.
Thanks

Pls answer. Is there any other way instead of finding square directly. Thanks Q. 1 A twelve digit number A9B90718094C is the perfect square of 439212. Find the values of A, B and C.