Math, asked by ks9470807, 2 months ago


d)Cube of any odd number is even.
e) Opposite angles of a parallelogram are equal.
f)The solution of the equation y-6=1 is 7.​

Answers

Answered by aditimaheshwari90
0

Answer:

d) not possible at all

e) yes

f) yes

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this is your answer

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hope it helps...

Answered by anita12aug
0

Step-by-step explanation:

CBSE NCERT Solutions for Class 8 Mathematics Chapter 1

Back of Chapter Questions

Exercise 1.1

1. Using appropriate properties find.

(i) −

2

3

×

3

5

+

5

2

3

5

×

1

6

(ii) 2

5

× (

−3

7

) −

1

6

×

3

2

+

1

14

×

2

5

Solution:

(i) −2

3

×

3

5

+

5

2

3

5

×

1

6

=

−2

3

×

3

5

3

5

×

1

6

+

5

2

(by commutativity)

=

2

3

× (

−3

5

) + (

−3

5

) ×

1

6

+

5

2

= (

−3

5

) (

2

3

+

1

6

) +

5

2

(by distributivity)

=

−3

5

×

5

6

+

5

2

=

−1

2

+

5

2

=

−1 + 5

2

=

4

2

= 2

Hence, −

2

3

×

3

5

+

5

2

3

5

×

1

6

= 2

(ii) 2

5

× (

−3

7

) −

1

6

×

3

2

+

1

14

×

2

5

=

2

5

× (

−3

7

) +

2

14

×

2

5

1

6

×

3

2

(by commutativity)

=

2

5

(

−3

7

+

1

14) −

1

6

×

3

2

(by distributivity)

=

2

5

(

−6 + 1

14 ) −

1

6

×

3

2

=

2

5

(

−5

14) −

1

2

×

1

2

=

2

5

×

(−5)

14 −

1

4

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