Math, asked by Kunu38gmailcom, 1 year ago

in an AP, the common difference and 7th term (A7)134 then find the first term

Answers

Answered by FIREBIRD

Hello friend

a7 = 134

a + ( n - 1 ) d = 134

a + ( 7 - 1 ) d = 134

a + 6d = 134

a = 134 - 6d

Hope it helps u . Have a nyc day .

FIREBIRD: bro

Kunu38gmailcom: sin^2 13 bhai

FIREBIRD: u know cos ( 90 - a ) = sin a

FIREBIRD: so use this

Kunu38gmailcom: aapna sin ^13

Kunu38gmailcom: aasa kr diya

FIREBIRD: oo sry their will be 2 after ^

FIREBIRD: now fine

Kunu38gmailcom: thanxx

FIREBIRD: wlcm

Answered by SHRUTHIKA01

a=134
a+(n-1)d=134
a+(7-1)d=134
a+6d=134
a=134-6d is the first term.
hope u understand this sum
all the best for the exam plz mark brainiest

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