Q1. the minimum no of unequal vectors whose vector sum is zero .-
1-1
2-2
3-3
4-4
plz explain
Q2.how many supernova explosions of stars have been recorded so far
1-1
2-5
3-2
4-3
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Q1. the minimum no of unequal vectors whose vector sum is zero .-
1-1
2-2
3-3
4-4
plz explain
Q2.how many supernova explosions of stars have been recorded so far
1-1
2-5
3-2
4-3
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Verified answer
Q1 : 3.Q2: 5 five: SN 185, SN1006, SN1054, SN1572, SN1604
the numbers are the years
but actually it seems, it is possible that there three supernova explosions in each century in our galaxy of Milkyway.