Math, asked by soumyaojha24, 2 months ago

when a = 4 and b = -3 , find the value of (a +b ) (a - b)​

Answers

Answered by rawat999
1
The value of (a+b) (a-b) is 7
Answered by mahakulkarpooja615
0

Answer:

The value of (a+b)(a-b), when a=4, b=-3 is 25.    

Step-by-step explanation:

Given : The expression is (a+b)(a-b), a=4, b=-3

To find : The value of  (a+b)(a-b).

Solution :

  • The given expression is, (a+b)(a-b)
  • The value of a=4, b=-3 is given.
  • Put a=4, b=-3 in the given expression, we get

      (a+b)(a-b) =a^{2} -b^{2}

                        = 4^{2}-(-3)^{2}

                        = 16+9

                        = 25

  • ∴ The value of (a+b)(a-b), when a=4, b=-3 is 25.    
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