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If the pth, qth & rth term of an AP is x, y and z respectively, show that x(q-r) +y(r-p) +z(p-q) =0

Posted by Rehana Khan 6 years, 9 months ago

CBSE > Class 10 > Mathematics

3 answers

Shikhar Singh 6 years, 9 months ago

Try this. Two two digit numbers are written one after another to give a four digit number such that the larger two digit number is written first. now if the difference of the four digit number and the sum of two two digit numbers is 5742 then find the two digit number.

0Thank You

Shikhar Singh 6 years, 9 months ago

That's very good question.

1Thank You

Rehana Khan 6 years, 9 months ago

Okay

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