As a part of donation campaign, students of grade VIII collected ₹ 49x2 - 84xy + 36y2 . Each student contributed an amount equal to the number of students. Find the amount contributed by each student.
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It is given that
Amount collected for picnic =Rs2304
We know that
No. of Student + no. of rupees contributed by each student =
2304
Here
It can be written as
=
2×2×2×2×2×2×2×2×3×3
By further calculation
=2×2×2×2×34=48
Therefore, the number of students in class VIII is 4811.
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Amount collected for picnic =Rs2304
We know that
No. of Student + no. of rupees contributed by each student =
2304
Here
It can be written as
=
2×2×2×2×2×2×2×2×3×3
By further calculation
=2×2×2×2×34=48
Therefore, the number of students in class VIII is 4811.
Please mark me as brainlist
Answered by
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Given : As a part of donation campaign, students of grade VIII collected ₹ 49x² - 84xy + 36y² .
Each student contributed an amount equal to the number of students
To Find : the amount contributed by each student.
Solution:
49x² - 84xy + 36y² .
= (7x)² - 2(7x)(8x) + (6y)²
a² - 2ab + b² = (a - b)²
= (7x - 8y)²
Each student contributed an amount equal to the number of students
Hence the amount contributed by each student.
= | 7x - 8y |
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