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S O L U T I O N :
The expressions of a = 1 & b = -2 .
We have polynomial, a² + b² + 3ab
According to the question :
⇒ a² + b² + 3ab
⇒ (1)² + (-2)² + 3 × 1 × (-2)
⇒ 1 + (-2 × -2) + 3 × (-2)
⇒ 1 + 4 + 3 × (-2)
⇒ 5 + (-6)
⇒ 5 - 6
⇒ -1
Thus,
The value of the following expression will be -1 .
Verified answer
Answer:
-1
Step-by-step explanation:
1^2+(-2)^2+3*1*(-2)
1+4-6
-1