सरळरूप द्या: (7a - 6b + 5c)² + (7a + 6b - 5c)²
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(7a-6b+5c)²+(7a+6b-5c)²
so, (49a²+36b²+25c²) + (49a²+36b²+25c²)
so, (7a+5c)²+(7a+5c)²
= ((7a+5c)²)²
so, (49a²+36b²+25c²) + (49a²+36b²+25c²)
so, (7a+5c)²+(7a+5c)²
= ((7a+5c)²)²
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