Factorise :
4x^2+9y^2+16z^2+12xy+24yz+16zx
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Answer:
=(2x+3y+4z) ^2
Step-by-step explanation:
=(2x)^2+(3y)^2+(4z)^2+(2×2×3)xy+(2×3×4)yz+(2×2×4)zx
formula= (x+y+z) ^2= x^2+y^2+z^2+2xy+2yz+2zx
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