Observe the pattern:
12+ 22 +22= 32
52 +62 +302= 312
192 + x + y = 2
Here, the values of x, y and z respectively are
(1) 192, 212, 3802 (2) 202, 202, 212
(3) 20^2, 21^2, 381^2
(4) 20^2, 380^2, 381^2
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Answer:
In 1st,
22+22-12=32
In 2nd,
302+62-52=312
In 3rd,
20², 380², 381²
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