in an ap a5 term is 0 than prove that a33=2×a19
Answers
Answered by
0
A5 = 0.
a + 4d = 0.
a =-4d.
a 33 = a + 32d
= -4d +32d = 28d . .......eq (1 )
2 ✖️ a19 = 2 ✖️ ( a +18 d)
= 2a + 36d
= 2(-4 d ) + 36 d
= -8d +36d = 28d. ....... eq(2)
(Equation 1= Equation 2)
Thus , a33 = 2 ✖️ a19.
ThAnKs !✌️✌️
a + 4d = 0.
a =-4d.
a 33 = a + 32d
= -4d +32d = 28d . .......eq (1 )
2 ✖️ a19 = 2 ✖️ ( a +18 d)
= 2a + 36d
= 2(-4 d ) + 36 d
= -8d +36d = 28d. ....... eq(2)
(Equation 1= Equation 2)
Thus , a33 = 2 ✖️ a19.
ThAnKs !✌️✌️
Similar questions