(2a-3b+4c)^2 answer please
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Answer:
We know,
(x+y+z)
2
=x
2
+y
2
+z
2
+2xy+2yz+2zx [Identity]
Here,
x=2a
y=3b
z=4c
Putting Values in Identity, We get :
⇒ (2a+3b+4c)
2
=(2a)
2
+(3b)
2
+(4c)
2
+2(2a)(3b)+2(3b)(4c)+2(4c)(2a)
=4a
2
+9b
2
+16c
2
+12ab+24bc+16ca
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