1] 2.1 x 1.9. [2] 42 x 38.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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I do not understand the homework that the teacher has given us. The picture given below tells you how you are supposed to do it, please do it as it is also done in the picture below. 

Questions: Evaluate.

[1] 2.1 x 1.9.

[2] 42 x 38.

It will be appreciated if it is fast. Once again, please follow the way that the picture has given you.

26-01-21
Ex (8b) (Guided Practice)
06: Evaluate
Formula : (a+a)(-a)=-à
ff) 98 x 10 z
98= 100- 2
and 102 = 100+2
(98) (102) = (100-2)( 100+2)
(2-a) (x +a) =
(100-2) (100+2) = (100)-(2)
1oa00 - 4
%3D
roo00
1-
9996
9.996
th) 4. 8 x 5.2
2000
5.2 5+0.2o
4.8= 5-0.2
(4.8) (5.2) =15-0.2)(5+012)
(x -a) (x+a).
= X - a
(5-0-2)(5+0.2)= (5)- (0-2)
= 25-0.04
24.96.
Guideel Practice (H-W) 26: 1-21
i) 42 x 38
06 (9) 2:1 x 1.9
Transcribed Image Text:26-01-21 Ex (8b) (Guided Practice) 06: Evaluate Formula : (a+a)(-a)=-à ff) 98 x 10 z 98= 100- 2 and 102 = 100+2 (98) (102) = (100-2)( 100+2) (2-a) (x +a) = (100-2) (100+2) = (100)-(2) 1oa00 - 4 %3D roo00 1- 9996 9.996 th) 4. 8 x 5.2 2000 5.2 5+0.2o 4.8= 5-0.2 (4.8) (5.2) =15-0.2)(5+012) (x -a) (x+a). = X - a (5-0-2)(5+0.2)= (5)- (0-2) = 25-0.04 24.96. Guideel Practice (H-W) 26: 1-21 i) 42 x 38 06 (9) 2:1 x 1.9
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