Answer 4 please

Dear Student.

t_{1} = p^{2} + 4 p + 8 t_{2} = 2 p^{2} + 3 p + 6 t_{3} = 3 p^{2} + 4 p + 14 G i v e n, t_{1}, t_{2}, t_{3} a r e i n A P T h e n d i f f e r e n c e b e t w e e n s u c c e s s i v e t e r m s i s s a m e . t_{2} - t_{1} = t_{3} - t_{2} 2 p^{2} + 3 p + 6 - p^{2} - 4 p - 8 = 3 p^{2} + 4 p + 14 - 2 p^{2} - 3 p - 6 p^{2} - p - 2 = p^{2} + p + 8 2 p + 10 = 0 2 p = - 10 p = - 5

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