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2. a5-a3=4......................1
a+4d-(a+2d)=4
a+4d-a-2d=4
2d=4
d=2
so......
by putting d value in eq 2first we will get our first term that is
a +a+1d+a+2d+a+3d+a+4d-(a+a+1d+a+2d)=4
5a + 10d -(3a +3d) =4
5a +20 -(3a+6)=4
5a +20-3a-6 =4
2a + 14 =4
2a = -10
a =-5
plz mark it brainliest
a+4d-(a+2d)=4
a+4d-a-2d=4
2d=4
d=2
so......
by putting d value in eq 2first we will get our first term that is
a +a+1d+a+2d+a+3d+a+4d-(a+a+1d+a+2d)=4
5a + 10d -(3a +3d) =4
5a +20 -(3a+6)=4
5a +20-3a-6 =4
2a + 14 =4
2a = -10
a =-5
plz mark it brainliest
Answered by
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Answer:
Step-by-step explanation: 2no. a5_a3 = 4
5a_3a = 4
2a= 4
a = 4_2
a = 2 ans
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