Question

Ch-3
84²-83²
fill upes
1 Without finding aqueses, find the wette differen
1 By using
2) Without adding, find the sam
1+ 3 + 5 +7+
square
1) Which of following
following av lythagarias tripleks
(en (24, 143, 945)
property
of following​

Answer 1

84^2-83^2

By using identity: a^2-b^2= (a+b)(a-b)

Therefore, (84-83)(84+83)

1*167

Answer:167

2)1+3+5+7=n^2

(n=Number of odd numbers added together)

Therefore, 1+3+5+7=4^2

=16

Pythagorean Triplets

m^2

m+1

m+2