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Multiple Choices
Answer (Choose 1 answer)
(See picture)
A. (ii)
B. None of the other choices is correct
C. (iv)
D. (i)
E. (iii)
Differentiate y = x² + 9x
1 (i) dy/dx = =(x² + 9x)-4/5
1,(ii) dy/dx = =(x²+9x)4/5(7x6 +9)
1 (iii) dy/dx = (x²+9x)-4/5(7x6 +9)
1 (iv) dy/dx = =(x² +9x)-4/5(x6 +9)
