Question

how many formulas are there in ap​

Answer 1

Hey mate !!

here's your answer...

»There are usually 3 main formulas of AP:

1. To find 'n' th term of AP : a+(n-1)d
2. to find sum of a given series of AP where we have its term number , the first term and common difference :Sn=n/2[2a+(n-1)d]
3. and if we have last term number also then to find sum : Sn=n/2[a+l]

$<marquee>★★Hope it will be helpful for you ☺️★★$

Answer 2

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$\bf\Huge\red{\mid{\overline{\underline{ ANSWER }}}\mid }$

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$\Large\fbox{\color{purple}{QUESTION}}$

WHAT IS FORMULA OF AP ?

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$\Large\fbox{\color{purple}{ SOLUTION }}$

★ FORMULAS OF AP ★

$\Large\mathfrak\pink{ \implies \: a_{n} = a \: + (n - 1)d }$

$\Large\mathfrak\orange{\implies \: s _{n} = \frac{n}{2}(2a + (n - 1)d) }$

$\Large\mathfrakl\red{\implies \: s _{n}=\frac{n}{2}(a + l)}$

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$\bf\Large\red{ THANKS \: FOR \: YOUR}$

$\bf\Large\red{ QUESTION \: HOPE \: IT }$

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