the expressions (l+m)(2m+p)-2m (p+m) can be simplified as
(a)2lm+lp
(b)2lm+lp-2mp
(c)2lm+lp+mp
(d)2lm+lp-mp
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answer for the given problem is given
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Expression : (l+m)(2m+p) - (2m)(p+m)
= (2lm + lp + 2m² + mp) - (2pm + 2m²)
= 2lm + lp + 2m² + mp - 2pm - 2m²
= 2lm + lp - mp
Option (d) is the answer....
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