Question

Factorise (a+2b+5c)²​

Answer 1

Step-by-step explanation:

by using the property of factorization

a*a+4*b*b+25*c*c+2*a+4*b+10*c

this is the ans

Answer 2

Step-by-step explanation:

(a + 2b + 5c)²

Using identity:-

→ (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ac

= a² + (2b)² + (5c)² + (2×a×2b) + (2×2b×5c) + (2×a×5c)

= a² + 4b² + 25c² + 4ab + 20bc + 10ac

Therefore, your answer is a² + 4b² + 25c² + 4ab + 20bc + 10ac

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