Question

व
4. उपयुक्त सर्वसमिकाओं का प्रयोग
र (i) (x +2y+4z)2​

Answer 1

Answer:

according to

(x+y+z)²

=(x)²+(y)²+(z)²+2(x)(y)+2(y)(z)+2(z)(x)

Explanation:

(x+2y+4z)²

=(x)²+(2y)²+(4z)²+2(x)(y)+2(2y)(4z)+2(4z)(x)

= x²+4y²+16z²+2xy+16yz+8zx