Question

Find the value of :
m2+n2-p2-mn+np-mp, Where,
m= -2,n=3,p=1

Answer 1

Q) m2+n2-p2-mn+np-mp

Solution..)

Put (-2,3,1) on the place of m,n&p

= -2×2+3×2-1×2-(-2×3)+3×1-(-2×1)

= -4+6-2-(-6)+3-(-2)

= 11

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:- 11 is the answer..