समान्तर श्रेडी
प्रश्नावली 1(A
1. श्रेणी 10, 8, 6,4.....का 6वाँ तथा 19वाँ पद ज्ञात करो।
Find the 6th and 19th term of the series 10,8,6,4,....
2. श्रेणी 3, 7. 11, 15......का 10वाँ तथा nवाँ पद ज्ञात करो।
Find the 10th and nth term of the series 3,7, 11, 15,....
3. श्रेणी 1-2.-5,-8..... का 31वाँ तथा गवाँ पद ज्ञात करो।
Find the 31st and nth terms of the series I,-2-5,-8,..
4
12
श्रेणी
1, ..... का 12वाँ पद ज्ञात करो।
33 3
12
Find the 12th term of the series 1,
Answers
Answered by
0
Answer:
ok brow
.................
Answered by
1
Answer:
1)a=10, d=8-10=-2, n=6
Tn=a+(n-1)d
T6=10+(6-1)(-2)
=10+5×(-2)
=10-10
=0
T19= 10+(19-1)(-2)
=10+18×(-2)
=10-36
=-26
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