70,77,84...... what is the common difference of the sequence? b] what is the difference between 20th term and 6th term of this sequence? c] write a term and another term which is the twice of the first ?
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Answered by
3
Common difference = 77-70=7
(b) T²⁰-T⁶ = (a+19d) - (a+5d)
→ 14d = 14×7 = 98 answer
(c) 70,140
Answered by
0
Answer:
a)7 ,b)203 ,c) first term =7 & another term =14
Step-by-step explanation:
a)in this sequence common difference is 7.
b)6th term =105 and 20th term =308
so ...308-105=203
c) let the first term =7 and another term =14
because 14 is the twice of 7
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