Question

Please let me know the ans​

Answer 1

Step-by-step explanation:

the value of it10 is =24

Answer 2

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$S_{10} = 150$

$5 ( 2a + 9d ) = 150$

$2a + 9d = 30$ --------------------( 1 )

$S_{9} = 126$

$\frac{9}{2} ( 2a + 8d ) = 126$

$2a + 8d = 126 × \frac{2}{9}$

$2a + 8d = 28$

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By subtracting ( 1 ) and ( 2 ) we get ,

d = 2

Put d in ( 1 )

2a + 18 = 30

2a = 12

a = 6

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$t_{10} = a + 9d$

$t_{10} = 6 + 9 × 2$

$t_{10} = 24$

$\huge{t_{10} = 24}$

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