Math, asked by bhaleraoatish07, 3 months ago

*एका पेटीची किंमत (a - 7) रु.असून (a + 7) पेट्यांची एकूण किंमत किती?*

1️⃣ (a² - 14a + 49)रु.
2️⃣ (a² - 49)रु.
3️⃣ (a² + 14a + 49)रु.
4️⃣ (a² + 49)रु.​

Answers

Answered by patilbhakti241998
3

Answer:

peti price

1 a-7

a+7 ?

then we have to use equal method,

1 -> a-7

a+7 -> x

–> [ (a+7) (a-7) ] / 1

= a(a-7) +7 (a-7)

= a²-7a+7a-49

= a²-49

ans = (2)

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