Question

factorise: 1 - 2a - 3a²​

Answer 1

Answer:

here

Step-by-step explanation:

2a = 3a*a

2 = 3a

a = 2/3

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Answer 2

Magnets exhibit the following properties:

All magnets have two poles: the North Pole and the South Pole.

Magnets attract ferromagnetic materials such as iron, nickel, and cobalt.

The magnetic force of a magnet is stronger at its poles than in the middle.

A freely suspended magnet always points in North-South direction.