Math, asked by dhroov2917, 3 months ago

koi help kro plss 5 thanks dunnga​

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Answered by palak2446
1

Step-by-step explanation:

(i) Area : 25a2–35a+12

Using the splitting the middle term method,

We have to find a number whose sum = -35 and product =25×12=300

We get -15 and -20 as the numbers [-15+-20=-35 and -15×-20=300]

25a2–35a+12 = 25a2–15a−20a+12

= 5a(5a–3)–4(5a–3)

= (5a–4)(5a–3)

Possible expression for length = 5a–4

Possible expression for breadth = 5a –3

(ii) Area : 35y2+13y–12

Using the splitting the middle term method,

We have to find a number whose sum = 13 and product = 35×-12 = 420

We get -15 and 28 as the numbers [-15+28 = 13 and -15×28=420]

35y2+13y–12 = 35y2–15y+28y–12

= 5y(7y–3)+4(7y–3)

= (5y+4)(7y–3)

Possible expression for length = (5y+4)

Possible expression for breadth = (7y–3)

Answered by Anonymous
2

Answer:

naa bhai aaj 9 :30 se 1 pm tak khela.

Rank push bhi kia.

Gn

sweet dreams

Going for dinner.

bye

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