i) a² + b2 - 2ab if a=5 b=3
Answers
Answered by
1
Answer:
Simplify the expression and find its value when a = 5 and b =-3. 2(a + ab) + 3- ab
2(a? + ab) + 3-ab
= 2a? + 2ab + 3- ab
= 2a? + 3 + ab (2 - 1)
= 2a? + 3 + ab (1)
= 2a? + 3 + ab
= 2a? + ab + 3
Putting a = 5, b = -3
= 2(5)? + (5) (-3) + 3
= 2 (25) - 15 + 3
= 50 - 12 = 38
Attachments:
Answered by
0
Answer: 1
Step-by-step explanation: 5^2+3×2-2×5×3
=>25+6-30
=> 31 - 30 =1
Similar questions