Nth term of (a-3b),(a-b),(a+b),.......
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answer for the given problem is given
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Answer:
a=a+2b, d= a-b-a-2b
= -3b
Step-by-step explanation:
an=a+(n-1)d
an= a+2b+ (n-1) *(-3b)
an= a+ 2b- 3nb+ 3b
an= a + 5b-3nb
an= a+(-3n+5)b
hope this helps you...
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