जर x = 4 ही ३x2 + Kx +2=0 या समीकरणाची उकल असेल तर k ची किंमत काढा
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Answer:
3×2+Kx+2=0
6+Kx+2=0
Kx+2= -6
Kx= -8
k(4)= -8. (x=4)
4k= -8
k= -8/4
k= -2
3×2+(-2×4)+2=0
6 -8 +2=0
8 -8=0
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