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20b(4b3)3
Show that: ( a × b ) × ( c × d ) = ( a ⋅ b × d ) c − ( a ⋅ b × c ) d
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Prove the given identities.1. cos 4 ( x ) − sin 4 ( x ) = cos ( 2 x )2. 1 − cos ( X ) 1 + cos ( X ) = tan 2 ( x 2 )
Solve the following linear system: − a π 0 + ( 1 − b ) π 1 = 0 a π 0 − π 1 + π 2 = 0 b π 1 − π 2 = 0 π 0 + π 1 + π 2 = 1 Here, π 0 , π 1 , π 2 are the variables.
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Find the indefinite integral. ∫x(x2+1)2dx
A simple pendulum has length 20cm.it was displaced at an angle 15 ∘ and then released to execute simple harmonic motion. How much time is required for the pendulum to reach maximum speed?
A meta-analysis of studies on the association between cannabis use (yes, no) and presence of psychosis (yes, no) reported a pooled odds ratio estimate of 1.41, with 95% confidence interval of (1.20, 1.65). Explain how to interpret this interval.
differential equations of second orderHow may I solve this differential equations: y ″ + 4 y = 12 x 2 − 16 x cos ( 2 x ) ?
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