If a=2 and b=3 then find the value of 4a^2-4ab+b^2

1

Step-by-step explanation:

=>

Where a = 2, b = 3

=>

=> 4(4) - 4(6) + 9

=> 16 - 24 + 9

=> -8 + 9

=> 1

1.

Step-by-step explanation:

Substituting for a and b we have

4(2)^2 - 4*2*3 + (3)^2

= 16 - 24 + 9

= -8 + 9

= 1.

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step-by-step explanation:

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)