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If u=f(x),v=g(x), then the value of D^*(...

If `u=f(x),v=g(x),` then the value of `D^*(udotv)` is `(D^*u)v+(D^*v)u` b. `u^2D^*v+v^2D^*u` c.`D^*u+D^*v` d. `u v D^*(u+v)`

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RESONANCE DPP-CONTINUITY AND DIFFERENTIABILITY-All Questions
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