12 यदिx-1, 4x³ + 3x²-4x + k का एक गुणनखंड है तो
k का मान होगा- ???
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Answer:
X-1= 0
X= 1
दिए गए समीकरण में एक्स = 1 रखने पर
4x³ + 3x²-4x + k=0
4×1³ + 3×1²- 4×1 + k= 0
4+3-4+ k =0
3+k= 0
K= -3
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