Which term of the AP 150, 147, 144,…. is its first negative term?

Open in App

Solution

$\begin{matrix} A P i s 150, 147, 144 & S o, a = 150 & T_{51} = 150 + (51 - 1) (- 3) d = - 3 & = 150 + (- 150) T n < 0 & = 0 a + (n - 1) d < 0 & S o, T_{52} i s t h e f i r s t n e g a t i v e n u m b e r 150 + (n - 1) - 3 < 0 & T_{52} = 150 + 51 < - 3 - 150 > (n - 1) (- 3) & = - 3 50 < n - 1 51 < n \end{matrix}$

Suggest Corrections

Similar questions

A . P

150, 147, 144

19 \frac{1}{4}

18 \frac{1}{2}

17 \frac{3}{4}

Which term fo the AP 121, 117, 113, .. is its first negative term?

Which term of the AP $20, 19 \frac{1}{4}, 18 \frac{1}{2}, 17 \frac{3}{4}$ is its first negative term?

Join BYJU'S Learning Program