Question

answer pls........ only give correct answer ​

Answer 1

Step-by-step explanation:

Given:

a = 3

b = -2

Now,

i) To find: 7a - 4b³

so,

[Substituting the value]

we get,

=> 7(3) - 4(-2)³

=> 21 + 32

=> 53

ii) To find: a² + 2ab + b²

so,

[Substituting the value]

we get,

=> 3² + 2(3)(-2) + (-2)²

=> 9 - 12 + 4

=> 13 - 12

=> 1

Hope you may get it

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Answer 2

Answer:

(I) 7×3-4×2×2×2

21- (-32)

21+32

=53

(II) 3×3×+(-2) ×3×(-2) +(-2) ×(-2)

9+12+4

9+16

=25