Four mark example problems II — task. Mathematics State Board, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Tabulate the

$3^{rd}$ slanting row of the Pascal's Triangle by taking the position of the numbers in the slanting row as

$x$ and the corresponding values as

$y$ .

$x$	$1$	$2$	$3$	$4$	$5$	$6$	....
$y$	$1$	$3$	$6$	$10$	$15$	$21$	....

Verify whether the relationship,

$y = \frac{x(x + 1)}{2}$ between

$x$ and

$y$ for the given values is true.

Important!

This is a self-assessment task. Solve this question and assess the solution steps after completing the test on your own.

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12. Four mark example problems II