यदि (x + 1), बहुपद x - 3ax + 3a -7 का एक गुणनखण्ड हो तो a का मान ज्ञात कीजिए
nshsemwal:
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If (x+1) is a factor , then p(-1)=0
P(x)=x-3ax+3a-7
P(-1)=(-1)-3a(-1)+3a-7=0
=(-1)+3a+3a-7=0
=-8+6a=0
=6a=0+8
=a=8/6
=a=4/3
Hope this helps !
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