differentiation

Question: If $y={{a}^{x}}.{{b}^{2x-1}}$, then $\frac{{{d}^{2}}y}{d{{x}^{2}}}$ is

1) ${{y}^{2}}.\log a{{b}^{2}}$

2) $y.\log a{{b}^{2}}$

3) ${{y}^{2}}$

4) $y.{{(\log a{{b}^{2}})}^{2}}$

Solution:

Explanation: No Explanation

Differentiation by substitution Higher order derivatives

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