Question

On simplifying the expression 7 − 3 + 10 if = −1, = −1,
= 1, we get

Answer 1

Step-by-step explanation:

Which of the following is not a Pythagorean triplet? *

6, 8, 10

8, 15, 17

2, 5, 7

5, 12, 13Which of the following is not a Pythagorean triplet? *

6, 8, 10

8, 15, 17

2, 5, 7Which of the following is not a Pythagorean triplet? *

6, 8, 10

8, 15, 17

2, 5, 7

5, 12, 13

5, 12, 13

Answer 2

Answer:

$\huge\underline{\overline{\mid{\bold{\mathbb{\purple{AnsWer}\mid}}}}}$

x+7+4(x−5)=x+7+4x−20=x+4x+7−20

=5x−13

=5×2−13  [Putting x=2]

=10−13

=−3.