1.

यदि `A={:[(3,4),(1,-3)],B=[(5,9),(6,3)]:}`, तो (i) 4A, (ii) 5B, (iii) 2A+3B ज्ञात कीजिये ।

Answer» (i) `4A=4{:[(3,4),(1,-2)]=[(4.3,4.4),(4.1,4.(-2))]=[(12,16),(4,-8)]:}`
(ii) `5B=5{:[(5,9),(6,3)]=[(5.5,5.9),(5.6,5.3)]=[(24,45),(30,15)]:}`
(iii) `2A+3B=2{:[(3,4),(1,-2)]+3[(5,9),(6,3)]:}`
`{:[(6,8),(2,-4)]+[(15,27),(18,9)]=[(6+15,8+27),(2+18,-4+9)]:}`
`{:[(21,35),(20,5)]:}`


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