If Tr+1 is the first negative term is (1+x)72 then r =_________

First -ve term in (1+x)p/q is p/q+3=7/2+3=6T6=T5+1r=5

If Tr+1 is the first negative term is (1+x)72 then r =_________

First -ve term in (1+x)p/q is p/q+3=7/2+3=6T6=T5+1r=5

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If $T_{r + 1}$ is the first negative term is ${(1 + x)}^{\frac{7}{2}}$ then r =_________

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First -ve term in ${(1 + x)}^{p / q}$ is $[p / q] + 3 = [7 / 2] + 3 = 6$

$\begin{array}{l} T_{6} = T_{5} + 1 \\ r = 5 \end{array}$

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If Tr+1 is the first negative term is (1+x)72 then r =_________

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If $T_{r + 1}$ is the first negative term is ${(1 + x)}^{\frac{7}{2}}$ then r =_________