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Side QR of triangle PQR is produced to a point S as shown in the figure. The bisector of P meets QR at T. Prove that ∠PQR + ∠PRS = 2 ∠PTR

If 1 2 3 , , ....    n the eigen values of a square non singular matrix then prove the eigen values of 1 A  are , 1 2 3 1 1 1 1 , , ....    n

In two isosceles triangle the angle between equal side are equal and their area have the ratio 9:16 there height are as

sides of triangles are given below which of them is right triangles

payment and ledger match emails

x² - 5x + 6 =0

10 CBSE polynomial