Math, asked by priya6386, 1 year ago

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Answers

Answered by yashgandhi74
3

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Given,

25

a

2

35

a

+

12

By splitting the middle term, we get:

25

a

2

15

a

20

a

+

12

=

5

a

(

5

a

3

)

4

(

5

a

3

)

=

(

5

a

3

)

(

5

a

4

)

Hence, possible length

=

5

a

3

Possible breadth

=

5

a

4

(ii) Area

=

35

y

2

+

13

y

12

Answer: Given,

35

y

2

+

13

y

12

By splitting the middle term, we get:

=

35

y

2

+

28

y

15

y

12

=

7

y

(

5

y

+

4

)

3

(

5

y

+

4

)

=

(

5

y

+

4

)

(

7

y

3

)

Hence, possible length

=

5

y

+

4

Possible breadth

=

7

y

3


priya6386: tysm
Answered by TeacherUnknow
3

Question:

Area : 25a² -35a + 12

area 35y2+13y-12

Answer:

  • (25a²–20a+4)(5a-2)² is the factor so 5a-2 is the length of the side

  • Given Area = 35y^2 + 13y - 12 = 35y^2 + 28y - 15y - 12 = 7y(5y + 4) - 3(5y + 4) = (7y - 3)(5y + 4) Therefore, the possible length and breadth
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