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If y equals to x cube then the dsquare y by DX square |
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Answer» n :We KNOW that,d/dx (xⁿ) = n xⁿ⁻¹Now, y = x³ [ given ]Differentiating both sides w.r. to X, we getdy/dx = 3 x³⁻¹or, dy/dx = 3 x²Again, differentiating both sides w.r. to x, we getd²y/dx² = 3 * 2 x²⁻¹∴ d²y/dx² = 6x |
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