find using a+b a-b
the question is
10.5 × 9.5
Answers
Answered by
1
Answer:
this formula cannot be used in this question
for this formula to be applied, both the terms but be squared
if the question is (10.5)^2 - (9.5)^2, then:
Step-by-step explanation:
= (10.5+9.5)(10.5-9.5)
= 20 x 1 = 20
Answered by
2
Answer:
99.75
Step-by-step explanation:
10.5 × 9.5
= (10.00 +0.5)( 10.00-0.5) 《 (a+b) (a-b) 》
= (10)square -(0.5)square
=100- 0.25
=99.75
HOPE IT HELPS......
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