(3×3)-(3×√2)+(√2×3)-(√2×√2)
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Emotions characterized by loss, sorrow or being let down.
COMMON CAUSES
Sadness is not always related to an underlying condition. It may be caused by:
Disappointments
Challenging events
Emotional hurt
Loss of something
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Step-by-step explanation:
(3×3) -(3×√2) +(√2×3)-(√2×√2).
= 9- 3√2 + 3√2 - 2
= 9 - 2
= 7 ( answer)
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