3.Expand.
( a by 2 + b by 3 )².
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Answer:
ye ik example h iske trah solve Krna usse bhi
Step-by-step explanation:
3a+2b)
3
Using (a+b)
3
=a
3
+b
3
+3ab(a+b)
=(3a)
3
+(2b)
3
+3(3a2b)(3a+2b)
=27a
3
+8b
3
+18ab(3a+2b)
=27a
3
+8b
3
+57a
2
b+36ab
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