Gujarat Boardગુજરાતી માધ્યમધોરણ 9ગણિતબહુપદીઓ2 Marks
Question
$(4 a-2 b-3 C)^2$ નું વિસ્તરણ કરો.
✓
Answer
નિત્યસમ $V$ નો ઉપયોગ કરતાં, $(4 a -2 b-3 c )^2=[4 a +(-2 b)+(-3 c )]^2=(4 a )^2+(-2 b)^2+(-3 c )^2+2(4 a )(-2 b)+2(-2 b)(-3 c )$ $+2(-3 c)(4 a)=16 a^2+4 b^2+9 c^2-16 a b+12 b c-24 a c$
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