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19. If x, y, z are positive, then the value of
(4x2+x+4)(5y2 + y +5)(7z2+z+7)/xyz
(A) 400 (B) 500
(C) 1000
(D) 1500
Answers
Answered by
1
Answer:
1000
Step-by-step explanation:
because its xy are positibe
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