निम्न के लिए `(dy)/(dx)` ज्ञात कीजिए
(i) `y=x^(7//2)` (ii) `y=x^(-3)` (iii) `y=x`
(iv) `y=x^(5)+x^(3)+4x^(1//2)+6` (v) `y=5x^(4)+6x^(3//2)+9x` (vi) `y=ax^(2)+bx+c` (vii) `y=3x^(5)-3x-1/x`

Answer

(i) `7/2x^(5//2)` (ii) `-3x^(4)`
(iii) 1 (iv) `5x^(4)+3x^(2)+2x^(-1//2)`
(vii) `15x^(4)-3+1/(x^(4))`