the polynomial x3 + y 3 + z 3 + kxyz is divisible by x+ y+ z then value of k
the polynomial x3 + y 3 + z 3 + kxyz is divisible by x+ y+ z then value of k
POOJITHA , 9 Years ago
Grade 10
10 grade maths> the polynomial x 3 + y 3 + z 3 + kxyz is ...
1 Answers
Prasenjit Maitra
WE KNOW, x3 + y3 + z3 – 3xyz = (x + y + z) (x2 + y2 + z2 – xy – yz – zx)
If K will be -3 then (x3 + y3 + z3 + kxyz) will divisible by (x+y+z)
so the answer is (-3)
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