Question

QUESTIONS IN ATTACHMENT
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Answer 1

Step-by-step explanation:

Given, s = 2 ; t = 3

$s( {s}^{2} - st)$

$2( {2}^{2} - 2 \times 3)$

$2(4 - 6)$

$8 - 12$

$- 4$

Hence, the required answer is -4 :D

Answer 2

Step-by-step explanation:

s^2 + s^2= s^4

ok answers