Manipur Board Class 12 Vaiphei Question Paper 2020 with Answer Key (Febraury 20)

Manipur Board Class 12 Vaiphei Question Paper 2020 with Answer Key pdf is available for download here. The exam was conducted by Council Of Higher Secondary Education, Manipur on Febraury 20, 2020. The question paper comprised a total of 29 questions divided among 5 sections.

Manipur Board Class 12 Vaiphei Question Paper 2020

Manipur Board Class 12 Vaiphei Question Paper 2020 PDF	Manipur Board Class 12 Vaiphei Answer Key 2020 PDF
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BSEM Questions

1.
Show that\( a^3 + b^3 + c^3 - 3abc = \dfrac{1}{2}(a+b+c)\left\{(a-b)^2 + (b-c)^2 + (c-a)^2\right\}\)

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2.
State and prove Basic Proportionality Theorem.

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3.
A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff of height \(h\). At a point on the plane, the angle of elevation of the bottom of the flagstaff is \(\alpha\) and that of the top of the flagstaff is \(\beta\). Prove that the height of the tower is \(\dfrac{h\tan\alpha}{\tan\beta-\tan\alpha}\).

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4.
Prove that \(x^n - y^n\) is divisible by \(x+y\) only when \(n\) is even.

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5.
If three consecutive vertices of a parallelogram are \( A(1,-2) \), \( B(3,6) \) and \( C(5,10) \), find its fourth vertex.

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6.
Write down the formula to find the area of a triangle whose vertices are \((x_1,y_1)\), \((x_2,y_2)\) and \((x_3,y_3)\).

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Manipur Board Class 12 Vaiphei Question Paper 2020 with Answer Key (Febraury 20)

Manipur Board Class 12 Vaiphei Question Paper 2020

BSEM Questions

1.
Show that\( a^3 + b^3 + c^3 - 3abc = \dfrac{1}{2}(a+b+c)\left\{(a-b)^2 + (b-c)^2 + (c-a)^2\right\}\)

2.
State and prove Basic Proportionality Theorem.

4.
Prove that \(x^n - y^n\) is divisible by \(x+y\) only when \(n\) is even.

5.
If three consecutive vertices of a parallelogram are \( A(1,-2) \), \( B(3,6) \) and \( C(5,10) \), find its fourth vertex.

6.
Write down the formula to find the area of a triangle whose vertices are \((x_1,y_1)\), \((x_2,y_2)\) and \((x_3,y_3)\).

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Manipur Board Class 12 Vaiphei Question Paper 2020

BSEM Questions

1.Show that\( a^3 + b^3 + c^3 - 3abc = \dfrac{1}{2}(a+b+c)\left\{(a-b)^2 + (b-c)^2 + (c-a)^2\right\}\)

2.State and prove Basic Proportionality Theorem.

4.Prove that \(x^n - y^n\) is divisible by \(x+y\) only when \(n\) is even.

5.If three consecutive vertices of a parallelogram are \( A(1,-2) \), \( B(3,6) \) and \( C(5,10) \), find its fourth vertex.

6.Write down the formula to find the area of a triangle whose vertices are \((x_1,y_1)\), \((x_2,y_2)\) and \((x_3,y_3)\).

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1.
Show that\( a^3 + b^3 + c^3 - 3abc = \dfrac{1}{2}(a+b+c)\left\{(a-b)^2 + (b-c)^2 + (c-a)^2\right\}\)

2.
State and prove Basic Proportionality Theorem.

4.
Prove that \(x^n - y^n\) is divisible by \(x+y\) only when \(n\) is even.

5.
If three consecutive vertices of a parallelogram are \( A(1,-2) \), \( B(3,6) \) and \( C(5,10) \), find its fourth vertex.

6.
Write down the formula to find the area of a triangle whose vertices are \((x_1,y_1)\), \((x_2,y_2)\) and \((x_3,y_3)\).