100 marks. (X+x)² = what
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The identity to be used :
(a+b)² = a²+b²+2ab
Then ,
(X+x)² = X²+x²+2Xx
The required Answer is = X²+x²+2Xx
More algebraic identities :
(A-B)² = A²+B²-2AB
A²-B² = (A+B)(A-B)
What is an algebraic expression?
=> The expressions which are having constants and variables are known as algebraic expressions.
(a+b)² = a²+b²+2ab
Then ,
(X+x)² = X²+x²+2Xx
The required Answer is = X²+x²+2Xx
More algebraic identities :
(A-B)² = A²+B²-2AB
A²-B² = (A+B)(A-B)
What is an algebraic expression?
=> The expressions which are having constants and variables are known as algebraic expressions.
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