Question

if 3+5+7......sume of 288 find number of steps​

Answer 1

Step-by-step explanation:

$a = 3 \\ d = 2 \\ sn = 288 \\ sn = \frac{n(2a + (n - 1)d)}{2} \\ 288 \times 2 = n ( 2(3) + (n - 1)(2) )\\ 576 = n(6 + 2n - 2) \\ 576 = 4n + 2 {n}^{2} \\ 2 {n}^{2} + 4n - 576 \\ u \: solve \: this \: equation \: and \: get \: \\ the \: +ive \: value \: of \: n \: which \: is \: \\ ur \: answer \\ \\ hope \: it \: helps \: u.... \\ mark \: it \: as \: brainliest \: answer$

Answer 2

Answer: 288 = 3 + (n-1)2

=285 =(n-1)2

=285/2=n-1

n = 285/2+1

n =287/2

n= 143.5

=144

Step-by-step explanation:

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