1) (-3 ) * ( + 3 ) = ___ 2) ( - 3) * ( - 3)= ______ 3) ( + 20 )  ( + 5) = ____

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1) (-3 ) * ( + 3 ) = ___

2) ( - 3) * ( - 3)= ______

3) ( + 20 )  ( + 5) = ____

4) ( + 21 )  ( - 3 ) )= ___

5) (-2) * (+3) * (- 4) = ___

6) __ (5 + 4) = 2 * 5 + 2 * 4

7) 8 * 7 + 8 * 3 = 8 (7 + ___ )

8) 6 * 5 – 6 * 2 = 6 (__ - __)

9) 5 * 3 + 10 * 3 = 3( __ + 10)

10) 8 * 4 – 8 * 2 = ___ (4 – 2)

11) 7 ( 5 – 2 ) = 7 * ___

12) 5 (2 + 4 ) = 5 * ___

13) ( 64  8 )  2 = ___

14) 2 * ( 9 + 1 ) = 2 * ___

15) ( 100 + 10 )  5 = _____

16) (100 – 40 )  10 = ____

17) – 5 * 5 = ____

18) 5 * ( -6 ) = ____

19) ( + 2 ) X ( + 3) = ___

20) ( + 6 ) X ( - 2 ) = ____

21) ( - 25 )  ( + 5 ) = ____

22 ( - 8 )  ( - 4 ) = ____

23) ( 6  3 ) – 31 = ____

24) (- 5) * (- 5) * (- 5) = __

25) ( 6 – 10 ) * 2 = _____

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