Question

9th class 2.5 exercise 4th Roman answers maths​

Answer 1

Answer:

that question are based on formula of ( a+b+c)^2=a^2+b^2+c^2+2and+2BC+2car.

Step-by-step explanation:

i will solve question.

(x+2y+4z)^2

ans. (x)^2+(2y)^2+(4z)^2+2(x).(2y)+2(2y).(4z)+2(4z).(x)

x^2+4y^2+16z^2+4xy+16yz+8zx

so u can solve this question on that formula .

PLS MARK ME AS BRAINLIEST.

Hope that helps u.