engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Engineering Mathematics Calculus Vector Calculus
अगर, \(\overrightarrow F = 50\mathop x\nolimits^3 y\widehat i - 8\mathop z\nolimits^2 y\widehat j + \mathop x\nolimits^2 z\widehat k\) हो तो \(\nabla .\left( {\nabla \times \overrightarrow F } \right)\)क्या है?
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