if y= 6x^5-4x^2-2x^2+5x-9, find dy/dx ay x= -1
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dy/dx=30x^4-16x^3-4x+5-0
=30x^4-16x^3-4x+5
At x=-1
=30(-1)^4-16(-1)-4(-1)+5
=30+16+4+5
=55
=30x^4-16x^3-4x+5
At x=-1
=30(-1)^4-16(-1)-4(-1)+5
=30+16+4+5
=55
shubhamkr4576p8gbt4:
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