if a=6-root35, then find the value of a²+1/a²
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Given = a = 6√35
= a² +1/a²
= a4 +1/a²
=(6√35)∧4 +1/(6√35)²
=1296×1225 +1 /36*35
= 1587601/1260
=
= a² +1/a²
= a4 +1/a²
=(6√35)∧4 +1/(6√35)²
=1296×1225 +1 /36*35
= 1587601/1260
=
hey, its a=6- √35
Sign will change to positive after squaring!
ok
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