Question

verify the answer: (a-b)²=a²-2ab+b².For a=2 and b= -2​

Answer 1

Answer:

a minus b whole square is equal to a square minus 2 a b + b square this is the The Identity for a minus b whole square which is given you can put two as a and b as -2 and just simplify and calculate the equation you will be able to check the both sides on the other side just put the value of a and minus b which is minus 2 minus into minus 2 + 2 what is a 2 2 + 2 is equal to 4 4 ka whole square which is equal to 16 and the other side of the equation you will be getting 16 only so hence the equation is verified

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Answer 2

Step-by-step explanation:

a= 2

b= -2

(a-b)²= a²-2ab+b²

(2-(-2))²= 2²- 2(2)(-2) + (-2)²

(2+2)² = 4 - 2(-4)+ 4

4² = 4+8+4

16 = 16

LHS = RHS