(i) m² + n² - 2mn if m=–2 and n=2;find the value of
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Hey mate!!
REFER TO THE ATTACHMENT.
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ok I can do
sol:
m= -2, n= 2......{given}
Now, m² + n² - 2mn
Applying the value of m and n
Therefore, (-2)² + (2)² - [2 × (-2)(2)]
= ( 4 + 4) - [2 × (-4) ]
= 8 - (- 8)
= 8 + 8 = 16
Ans the value is 16
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