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In an ap if d,=4, n=3 an=10then a is

Posted by Jani Rai 6 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Shiny Chaturvedi 6 years, 2 months ago

an=a+(n-1)d 10=a+(3-1)4 10=a+2×4 10=a+8 10-8=a 2=a

0Thank You

Neetu Srivastava 6 years, 2 months ago

By formula An=a+(n-1)d An=10 N=3 D=4 So by putting value in formula 10=a+(3-1)4 10=a+(2)4 10=a+8 A=10-8 A=10 So the first term (a) is 10

0Thank You

Shubhi Pandey 6 years, 2 months ago

an=a+(n-1)d 10=a+(3-1)4 10=a+(2×4) 10-8=a a=2

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CBSE > Class 10 > Mathematics