Question

please tell me answer of this question​

Answer 1

Answer:

3i+2j-ak

If vector Rz 21+ 2j- 3k and rector sa

perpendicular vectors then value of 'a' is

given by

Answer 2

Countable nouns

cup

minute

lesson

sentence

woman

garden

rubber

pen

book

wardrobe

bush

Uncountable nouns

mercy

agriculture

sand

health

aluminum

childhood

honesty

flour

goodness

peace

purity

problem

salt

wheat

copper

history